pm.h 3.3 KB

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  1. /*
  2. * OMAP2/3 Power Management Routines
  3. *
  4. * Copyright (C) 2008 Nokia Corporation
  5. * Jouni Hogander
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. */
  11. #ifndef __ARCH_ARM_MACH_OMAP2_PM_H
  12. #define __ARCH_ARM_MACH_OMAP2_PM_H
  13. #include <plat/powerdomain.h>
  14. extern void *omap3_secure_ram_storage;
  15. extern void omap3_pm_off_mode_enable(int);
  16. extern void omap_sram_idle(void);
  17. extern int omap3_can_sleep(void);
  18. extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
  19. extern int omap3_idle_init(void);
  20. #if defined(CONFIG_PM_OPP)
  21. extern int omap3_opp_init(void);
  22. extern int omap4_opp_init(void);
  23. #else
  24. static inline int omap3_opp_init(void)
  25. {
  26. return -EINVAL;
  27. }
  28. static inline int omap4_opp_init(void)
  29. {
  30. return -EINVAL;
  31. }
  32. #endif
  33. struct cpuidle_params {
  34. u8 valid;
  35. u32 sleep_latency;
  36. u32 wake_latency;
  37. u32 threshold;
  38. };
  39. #if defined(CONFIG_PM) && defined(CONFIG_CPU_IDLE)
  40. extern void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params);
  41. #else
  42. static
  43. inline void omap3_pm_init_cpuidle(struct cpuidle_params *cpuidle_board_params)
  44. {
  45. }
  46. #endif
  47. extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
  48. extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
  49. extern u32 wakeup_timer_seconds;
  50. extern u32 wakeup_timer_milliseconds;
  51. extern struct omap_dm_timer *gptimer_wakeup;
  52. #ifdef CONFIG_PM_DEBUG
  53. extern void omap2_pm_dump(int mode, int resume, unsigned int us);
  54. extern void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds);
  55. extern int omap2_pm_debug;
  56. extern u32 enable_off_mode;
  57. extern u32 sleep_while_idle;
  58. #else
  59. #define omap2_pm_dump(mode, resume, us) do {} while (0);
  60. #define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0);
  61. #define omap2_pm_debug 0
  62. #define enable_off_mode 0
  63. #define sleep_while_idle 0
  64. #endif
  65. #if defined(CONFIG_CPU_IDLE)
  66. extern void omap3_cpuidle_update_states(u32, u32);
  67. #endif
  68. #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
  69. extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
  70. extern int pm_dbg_regset_save(int reg_set);
  71. extern int pm_dbg_regset_init(int reg_set);
  72. #else
  73. #define pm_dbg_update_time(pwrdm, prev) do {} while (0);
  74. #define pm_dbg_regset_save(reg_set) do {} while (0);
  75. #define pm_dbg_regset_init(reg_set) do {} while (0);
  76. #endif /* CONFIG_PM_DEBUG */
  77. extern void omap24xx_idle_loop_suspend(void);
  78. extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
  79. void __iomem *sdrc_power);
  80. extern void omap34xx_cpu_suspend(u32 *addr, int save_state);
  81. extern void save_secure_ram_context(u32 *addr);
  82. extern void omap3_save_scratchpad_contents(void);
  83. extern unsigned int omap24xx_idle_loop_suspend_sz;
  84. extern unsigned int save_secure_ram_context_sz;
  85. extern unsigned int omap24xx_cpu_suspend_sz;
  86. extern unsigned int omap34xx_cpu_suspend_sz;
  87. #define PM_RTA_ERRATUM_i608 (1 << 0)
  88. #define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
  89. #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
  90. extern u16 pm34xx_errata;
  91. #define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id))
  92. extern void enable_omap3630_toggle_l2_on_restore(void);
  93. #else
  94. #define IS_PM34XX_ERRATUM(id) 0
  95. static inline void enable_omap3630_toggle_l2_on_restore(void) { }
  96. #endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
  97. #endif